[INFO] fetching crate incrementalmerkletree 0.1.0...
[INFO] testing incrementalmerkletree-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate incrementalmerkletree 0.1.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate incrementalmerkletree 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate incrementalmerkletree 0.1.0
[INFO] finished tweaking crates.io crate incrementalmerkletree 0.1.0
[INFO] tweaked toml for crates.io crate incrementalmerkletree 0.1.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7da0ee5603d445ca6e166a2b34b556844e91e38ca1f62193a4d6e2681a354c2
[INFO] running `Command { std: "docker" "start" "-a" "f7da0ee5603d445ca6e166a2b34b556844e91e38ca1f62193a4d6e2681a354c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7da0ee5603d445ca6e166a2b34b556844e91e38ca1f62193a4d6e2681a354c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7da0ee5603d445ca6e166a2b34b556844e91e38ca1f62193a4d6e2681a354c2", kill_on_drop: false }`
[INFO] [stdout] f7da0ee5603d445ca6e166a2b34b556844e91e38ca1f62193a4d6e2681a354c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 034e705cb20269fe08e495312bfc01133bb8c14d9fe41a5ae0ec72ffd96167fe
[INFO] running `Command { std: "docker" "start" "-a" "034e705cb20269fe08e495312bfc01133bb8c14d9fe41a5ae0ec72ffd96167fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling incrementalmerkletree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.39s
[INFO] running `Command { std: "docker" "inspect" "034e705cb20269fe08e495312bfc01133bb8c14d9fe41a5ae0ec72ffd96167fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034e705cb20269fe08e495312bfc01133bb8c14d9fe41a5ae0ec72ffd96167fe", kill_on_drop: false }`
[INFO] [stdout] 034e705cb20269fe08e495312bfc01133bb8c14d9fe41a5ae0ec72ffd96167fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 177b47c0e207ca32e77cbfc1e903524325252fc84068a5652e7e569f10c0a1ed
[INFO] running `Command { std: "docker" "start" "-a" "177b47c0e207ca32e77cbfc1e903524325252fc84068a5652e7e569f10c0a1ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling incrementalmerkletree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.22s
[INFO] running `Command { std: "docker" "inspect" "177b47c0e207ca32e77cbfc1e903524325252fc84068a5652e7e569f10c0a1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177b47c0e207ca32e77cbfc1e903524325252fc84068a5652e7e569f10c0a1ed", kill_on_drop: false }`
[INFO] [stdout] 177b47c0e207ca32e77cbfc1e903524325252fc84068a5652e7e569f10c0a1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21dee0688ec838632a2407ebd21f00fc365c5edcf28dd6f100cd28ff5596e048
[INFO] running `Command { std: "docker" "start" "-a" "21dee0688ec838632a2407ebd21f00fc365c5edcf28dd6f100cd28ff5596e048", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/incrementalmerkletree-2f1df2d2638724ce)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test bridgetree::tests::drop_oldest_checkpoint ... ok
[INFO] [stdout] test bridgetree::tests::checkpoint_rewind ... ok
[INFO] [stdout] test bridgetree::tests::frontier_roots ... ok
[INFO] [stdout] test bridgetree::tests::frontier_positions ... ok
[INFO] [stdout] test bridgetree::tests::position_levels ... ok
[INFO] [stdout] test bridgetree::tests::root_hashes ... ok
[INFO] [stdout] test bridgetree::tests::tree_depth ... ok
[INFO] [stdout] test sample::tests::correct_root ... ok
[INFO] [stdout] test sample::tests::correct_auth_path ... ok
[INFO] [stdout] test sample::tests::correct_empty_root ... ok
[INFO] [stdout] test bridgetree::tests::auth_paths ... ok
[INFO] [stdout] test tests::test_compute_root_from_auth_path ... ok
[INFO] [stdout] test tests::check_randomized_str_ops has been running for over 60 seconds
[INFO] [stdout] test tests::check_randomized_u64_ops has been running for over 60 seconds
[INFO] [stdout] test tests::check_randomized_u64_ops ... ok
[INFO] [stdout] test tests::check_randomized_str_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 344.89s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests incrementalmerkletree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21dee0688ec838632a2407ebd21f00fc365c5edcf28dd6f100cd28ff5596e048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21dee0688ec838632a2407ebd21f00fc365c5edcf28dd6f100cd28ff5596e048", kill_on_drop: false }`
[INFO] [stdout] 21dee0688ec838632a2407ebd21f00fc365c5edcf28dd6f100cd28ff5596e048